Bill got his RV done but then had some problems with his engine but I

do

not know the details. I think Tracy can fill us in on this. What

happened

to bill's engine Tracy?

Paul Lamar

Bill's engine is a long and tortuous story.  Much of it involves
instrumentation problems.  Readings showed engine very cool but all the
overtemp tell-tails that Bruce put on the engine showed that it was HOT.
 Trivia:  More space shuttle missions are scrubbed for instrumentation
problems than actual failures.)  Other problems with stuck seals, carbon
everywhere, low power, low compression, etc.  Part of the problem was

traced

to crank angle sensor turned 90 degrees from proper position.  Quiz: Can

you

figure out why the engine was able to run with this CAS adjustment?

Anyway, the engine was freshened up by Bruce and is back on the plane
awaiting tests.

Tracy Crook
tcrook@rotaryaviation.com
www.rotaryaviation.com

Ed Anderson wrote:

Lets see. If the CAS was turned 90 deg from proper position then since it is
1/2 of eccentric shaft degrees it would be 180 deg out on the eccentric
shaft.  This would shift it 1/3 or 60 deg on the rotors.  Since the rotors
are 60 deg apart it sounds like the  lead spark would fire on the #2 rotor
(waste spark) when it should have been firing on the #1 rotor.  That's my
best guess

Ed Anderson

The AirCraft Rotary Engine NewsLetter.              Powered by Linux.

http://home.earthlink.net/~rotaryeng/            http://www.linux.org